Memoirs of the Faculty of Engineering, Yamaguchi University

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Memoirs of the Faculty of Engineering, Yamaguchi University Volume 35 Issue 1
published_at 1984

Record Head Saturation and Its Effects on the Performances of Digital Magnetic Recording

記録ヘッドの磁気飽和とそのディジタル記録特性に及ぼす影響
Nishikawa Masaaki
Kirihara Akio
Hirata Takehiko
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KJ00000156539.pdf
Descriptions
The effect of pole tip and core saturation of the write head has been observed over a wide range by using a low Curie point ferrite head, of which saturation point varies with its operating temperature. It is shown that the dependence of digital readout signal on write current level is restrained by the head saturation when it occurs in the under saturated or remarkably over saturated region of the medium